diff options
Diffstat (limited to 'ext/zlib/zlib.c')
| -rw-r--r-- | ext/zlib/zlib.c | 1299 |
1 files changed, 0 insertions, 1299 deletions
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c deleted file mode 100644 index 55e2dda70f..0000000000 --- a/ext/zlib/zlib.c +++ /dev/null @@ -1,1299 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP Version 4 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997-2002 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.02 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.php.net/license/2_02.txt. | - | If you did not receive a copy of the PHP license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@php.net so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Authors: Rasmus Lerdorf <rasmus@lerdorf.on.ca> | - | Stefan Röhrich <sr@linux.de> | - | Zeev Suraski <zeev@zend.com> | - | Jade Nicoletti <nicoletti@nns.ch> | - +----------------------------------------------------------------------+ - */ -/* $Id$ */ -#define IS_EXT_MODULE - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "php.h" -#include "SAPI.h" -#include "php_ini.h" - -#include <stdlib.h> -#include <errno.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#ifdef PHP_WIN32 -#include <windows.h> -#include <winsock.h> -#define O_RDONLY _O_RDONLY -#include "win32/param.h" -#else -#include <sys/param.h> -/* #include <sys/uio.h> */ -#endif -#include "ext/standard/head.h" -#include "safe_mode.h" -#include "ext/standard/php_standard.h" -#include "ext/standard/info.h" -#include "php_zlib.h" -#include "fopen_wrappers.h" -#if HAVE_PWD_H -#ifdef PHP_WIN32 -#include "win32/pwd.h" -#else -#include <pwd.h> -#endif -#endif -#if defined(HAVE_UNISTD_H) && defined(PHP_WIN32) -#undef HAVE_UNISTD_H -#endif - - -#ifdef COMPILE_DL_ZLIB -#ifndef PUTS -#define PUTS(a) php_printf("%s",a) -#endif -#ifndef PUTC -#define PUTC(a) PUTS(a) -#endif -#ifndef PHPWRITE -#define PHPWRITE(a,n) php_write((a),(n) TSRMLS_CC) -#endif -#endif - -#define OS_CODE 0x03 /* FIXME */ -#define CODING_GZIP 1 -#define CODING_DEFLATE 2 - -/* True globals, no need for thread safety */ -static int le_zp; -static int gz_magic[2] = {0x1f, 0x8b}; /* gzip magic header */ - -/* {{{ php_zlib_functions[] - */ -function_entry php_zlib_functions[] = { - PHP_FE(readgzfile, NULL) - PHP_FE(gzrewind, NULL) - PHP_FE(gzclose, NULL) - PHP_FE(gzeof, NULL) - PHP_FE(gzgetc, NULL) - PHP_FE(gzgets, NULL) - PHP_FE(gzgetss, NULL) - PHP_FE(gzread, NULL) - PHP_FE(gzopen, NULL) - PHP_FE(gzpassthru, NULL) - PHP_FE(gzseek, NULL) - PHP_FE(gztell, NULL) - PHP_FE(gzwrite, NULL) - PHP_FALIAS(gzputs, gzwrite, NULL) - PHP_FE(gzfile, NULL) - PHP_FE(gzcompress, NULL) - PHP_FE(gzuncompress, NULL) - PHP_FE(gzdeflate, NULL) - PHP_FE(gzinflate, NULL) - PHP_FE(gzencode, NULL) - PHP_FE(ob_gzhandler, NULL) - {NULL, NULL, NULL} -}; -/* }}} */ - -/* {{{ php_zlib_module_entry - */ -zend_module_entry php_zlib_module_entry = { - STANDARD_MODULE_HEADER, - "zlib", - php_zlib_functions, - PHP_MINIT(zlib), - PHP_MSHUTDOWN(zlib), - PHP_RINIT(zlib), - NULL, - PHP_MINFO(zlib), - NO_VERSION_YET, - STANDARD_MODULE_PROPERTIES -}; -/* }}} */ - -ZEND_DECLARE_MODULE_GLOBALS(zlib) - -#ifdef COMPILE_DL_ZLIB -ZEND_GET_MODULE(php_zlib) -#endif - -/* {{{ OnUpdate_zlib_output_compression */ -static PHP_INI_MH(OnUpdate_zlib_output_compression) -{ - char *ini_value; - - ini_value = php_ini_string("output_handler", sizeof("output_handler"), 0); - if (ini_value != NULL && strlen(ini_value) != 0 && - new_value != NULL && strlen(new_value) != 0 ) { - php_error(E_CORE_ERROR,"Cannot use both zlib.output_compression and output_handler together!!"); - return FAILURE; - } - - OnUpdateInt(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC); - - return SUCCESS; -} -/* }}} */ - - -PHP_INI_BEGIN() - STD_PHP_INI_BOOLEAN("zlib.output_compression", "0", PHP_INI_ALL, OnUpdate_zlib_output_compression, output_compression, zend_zlib_globals, zlib_globals) -PHP_INI_END() - -/* {{{ phpi_destructor_gzclose - */ -static void phpi_destructor_gzclose(zend_rsrc_list_entry *rsrc TSRMLS_DC) -{ - gzFile *zp = (gzFile *)rsrc->ptr; - - (void)gzclose(zp); -} -/* }}} */ - -#ifdef ZTS -/* {{{ php_zlib_init_globals - */ -static void php_zlib_init_globals(zend_zlib_globals *zlib_globals_p TSRMLS_DC) -{ - ZLIBG(gzgetss_state) = 0; -} -/* }}} */ -#endif - -/* {{{ PHP_MINIT_FUNCTION - */ -PHP_MINIT_FUNCTION(zlib) -{ -#ifdef ZTS - ts_allocate_id(&zlib_globals_id, sizeof(zend_zlib_globals), (ts_allocate_ctor) php_zlib_init_globals, NULL); -#else - ZLIBG(gzgetss_state)=0; -#endif - le_zp = zend_register_list_destructors_ex(phpi_destructor_gzclose, NULL, "zlib", module_number); - -#if HAVE_FOPENCOOKIE - - if(PG(allow_url_fopen)) { - php_register_url_wrapper("zlib", zlib_fopen_wrapper TSRMLS_CC); - } -#endif - - REGISTER_LONG_CONSTANT("FORCE_GZIP", CODING_GZIP, CONST_CS | CONST_PERSISTENT); - REGISTER_LONG_CONSTANT("FORCE_DEFLATE", CODING_DEFLATE, CONST_CS | CONST_PERSISTENT); - - REGISTER_INI_ENTRIES(); - - return SUCCESS; -} -/* }}} */ - -/* {{{ PHP_RINIT_FUNCTION - */ -PHP_RINIT_FUNCTION(zlib) -{ - ZLIBG(ob_gzhandler_status) = 0; - switch (ZLIBG(output_compression)) { - case 0: - break; - case 1: - php_enable_output_compression(4096 TSRMLS_CC); - break; - default: - php_enable_output_compression(ZLIBG(output_compression) TSRMLS_CC); - } - return SUCCESS; -} -/* }}} */ - -/* {{{ PHP_MSHUTDOWN_FUNCTION - */ -PHP_MSHUTDOWN_FUNCTION(zlib) -{ -#if HAVE_FOPENCOOKIE - if(PG(allow_url_fopen)) { - php_unregister_url_wrapper("zlib" TSRMLS_CC); - } -#endif - - UNREGISTER_INI_ENTRIES(); - - return SUCCESS; -} -/* }}} */ - -/* {{{ PHP_MINFO_FUNCTION - */ -PHP_MINFO_FUNCTION(zlib) -{ - php_info_print_table_start(); - php_info_print_table_row(2, "ZLib Support", "enabled"); -#if HAVE_FOPENCOOKIE - php_info_print_table_row(2, "'zlib:' fopen wrapper", "enabled"); -#endif - php_info_print_table_row(2, "Compiled Version", ZLIB_VERSION ); - php_info_print_table_row(2, "Linked Version", (char *)zlibVersion() ); - php_info_print_table_end(); - - DISPLAY_INI_ENTRIES(); -} -/* }}} */ - -/* {{{ php_gzopen_wrapper - */ -static gzFile php_gzopen_wrapper(char *path, char *mode, int options TSRMLS_DC) -{ - FILE *f; - int issock=0, socketd=0; - - f = php_fopen_wrapper(path, mode, options, &issock, &socketd, NULL TSRMLS_CC); - - if (!f) { - return NULL; - } - return gzdopen(fileno(f), mode); -} -/* }}} */ - -/* {{{ proto array gzfile(string filename [, int use_include_path]) - Read und uncompress entire .gz-file into an array */ -PHP_FUNCTION(gzfile) -{ - pval **filename, **arg2; - gzFile zp; - char *slashed, buf[8192]; - register int i=0; - int use_include_path = 0; - - /* check args */ - switch (ZEND_NUM_ARGS()) { - case 1: - if (zend_get_parameters_ex(1,&filename) == FAILURE) { - WRONG_PARAM_COUNT; - } - break; - case 2: - if (zend_get_parameters_ex(2,&filename,&arg2) == FAILURE) { - WRONG_PARAM_COUNT; - } - convert_to_long_ex(arg2); - use_include_path = Z_LVAL_PP(arg2)?USE_PATH:0; - break; - default: - WRONG_PARAM_COUNT; - } - convert_to_string_ex(filename); - - zp = php_gzopen_wrapper(Z_STRVAL_PP(filename),"r", use_include_path|ENFORCE_SAFE_MODE TSRMLS_CC); - if (!zp) { - php_error(E_WARNING,"gzFile(\"%s\") - %s",Z_STRVAL_PP(filename),strerror(errno)); - RETURN_FALSE; - } - - /* Initialize return array */ - if (array_init(return_value) == FAILURE) { - RETURN_FALSE; - } - - /* Now loop through the file and do the magic quotes thing if needed */ - memset(buf,0,8191); - while(gzgets(zp, buf, 8191) != NULL) { - if (PG(magic_quotes_runtime)) { - int len; - - slashed = php_addslashes(buf,0,&len,0 TSRMLS_CC); /* 0 = don't free source string */ - add_index_stringl(return_value, i++, slashed, len, 0); - } else { - add_index_string(return_value, i++, buf, 1); - } - } - gzclose(zp); -} -/* }}} */ - -/* {{{ proto int gzopen(string filename, string mode [, int use_include_path]) - Open a .gz-file and return a .gz-file pointer */ -PHP_FUNCTION(gzopen) -{ - pval **arg1, **arg2, **arg3; - gzFile *zp; - char *p; - int use_include_path = 0; - - switch(ZEND_NUM_ARGS()) { - case 2: - if (zend_get_parameters_ex(2,&arg1,&arg2) == FAILURE) { - WRONG_PARAM_COUNT; - } - break; - case 3: - if (zend_get_parameters_ex(3,&arg1,&arg2,&arg3) == FAILURE) { - WRONG_PARAM_COUNT; - } - convert_to_long_ex(arg3); - use_include_path = Z_LVAL_PP(arg3)?USE_PATH:0; - break; - default: - WRONG_PARAM_COUNT; - } - convert_to_string_ex(arg1); - convert_to_string_ex(arg2); - p = estrndup(Z_STRVAL_PP(arg2),Z_STRLEN_PP(arg2)); - - /* - * We need a better way of returning error messages from - * php_gzopen_wrapper(). - */ - zp = php_gzopen_wrapper(Z_STRVAL_PP(arg1), p, use_include_path|ENFORCE_SAFE_MODE TSRMLS_CC); - if (!zp) { - php_error(E_WARNING,"gzopen(\"%s\",\"%s\") - %s", - Z_STRVAL_PP(arg1), p, strerror(errno)); - efree(p); - RETURN_FALSE; - } - ZLIBG(gzgetss_state)=0; - efree(p); - ZEND_REGISTER_RESOURCE(return_value, zp, le_zp); -} -/* }}} */ - -/* {{{ proto int gzclose(int zp) - Close an open .gz-file pointer */ -PHP_FUNCTION(gzclose) -{ - pval **arg1; - gzFile *zp; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { - WRONG_PARAM_COUNT; - } - ZEND_FETCH_RESOURCE(zp, gzFile *, arg1, -1, "Zlib file", le_zp); - zend_list_delete(Z_LVAL_PP(arg1)); - RETURN_TRUE; -} -/* }}} */ - -/* {{{ proto int gzeof(int zp) - Test for end-of-file on a .gz-file pointer */ -PHP_FUNCTION(gzeof) -{ - pval **arg1; - gzFile *zp; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { - WRONG_PARAM_COUNT; - } - ZEND_FETCH_RESOURCE(zp, gzFile *, arg1, -1, "Zlib file", le_zp); - - if ((gzeof(zp))) { - RETURN_TRUE; - } else { - RETURN_FALSE; - } -} -/* }}} */ - -/* {{{ proto string gzgets(int zp, int length) - Get a line from .gz-file pointer */ -PHP_FUNCTION(gzgets) -{ - pval **arg1, **arg2; - gzFile *zp; - int len; - char *buf; - - if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { - WRONG_PARAM_COUNT; - } - convert_to_long_ex(arg2); - len = Z_LVAL_PP(arg2); - - ZEND_FETCH_RESOURCE(zp, gzFile *, arg1, -1, "Zlib file", le_zp); - - buf = emalloc(sizeof(char) * (len + 1)); - /* needed because recv doesnt put a null at the end*/ - memset(buf,0,len+1); - if (!(gzgets(zp, buf, len) != NULL)) { - efree(buf); - RETVAL_FALSE; - } else { - if (PG(magic_quotes_runtime)) { - Z_STRVAL_P(return_value) = php_addslashes(buf,0,&Z_STRLEN_P(return_value),1 TSRMLS_CC); - } else { - Z_STRVAL_P(return_value) = buf; - Z_STRLEN_P(return_value) = strlen(Z_STRVAL_P(return_value)); - } - Z_TYPE_P(return_value) = IS_STRING; - } - return; -} -/* }}} */ - -/* {{{ proto string gzgetc(int zp) - Get a character from .gz-file pointer */ -PHP_FUNCTION(gzgetc) -{ - pval **arg1; - gzFile *zp; - int c; - char *buf; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { - WRONG_PARAM_COUNT; - } - - ZEND_FETCH_RESOURCE(zp, gzFile *, arg1, -1, "Zlib file", le_zp); - - buf = emalloc(sizeof(char) * 2); - if ((c=gzgetc(zp)) == (-1)) { - efree(buf); - RETVAL_FALSE; - } else { - buf[0]=(char)c; - buf[1]='\0'; - Z_STRVAL_P(return_value) = buf; - Z_STRLEN_P(return_value) = 1; - Z_TYPE_P(return_value) = IS_STRING; - } - return; -} -/* }}} */ - -/* Strip any HTML tags while reading */ -/* {{{ proto string gzgetss(int zp, int length [, string allowable_tags]) - Get a line from file pointer and strip HTML tags */ -PHP_FUNCTION(gzgetss) -{ - pval **fd, **bytes, **allow=NULL; - gzFile *zp; - int len; - char *buf; - char *allowed_tags=NULL; - int allowed_tags_len=0; - - switch(ZEND_NUM_ARGS()) { - case 2: - if(zend_get_parameters_ex(2, &fd, &bytes) == FAILURE) { - RETURN_FALSE; - } - break; - case 3: - if(zend_get_parameters_ex(3, &fd, &bytes, &allow) == FAILURE) { - RETURN_FALSE; - } - convert_to_string_ex(allow); - allowed_tags = Z_STRVAL_PP(allow); - allowed_tags_len = Z_STRLEN_PP(allow); - break; - default: - WRONG_PARAM_COUNT; - /* NOTREACHED */ - break; - } - - convert_to_long_ex(bytes); - - len = Z_LVAL_PP(bytes); - - ZEND_FETCH_RESOURCE(zp, gzFile *, fd, -1, "Zlib file", le_zp); - - buf = emalloc(sizeof(char) * (len + 1)); - /*needed because recv doesnt set null char at end*/ - memset(buf,0,len+1); - if (!(gzgets(zp, buf, len) != NULL)) { - efree(buf); - RETURN_FALSE; - } - - /* strlen() can be used here since we are doing it on the return of an fgets() anyway */ - php_strip_tags(buf, strlen(buf), ZLIBG(gzgetss_state), allowed_tags, allowed_tags_len); - RETURN_STRING(buf, 0); - -} -/* }}} */ - -/* {{{ proto int gzwrite(int zp, string str [, int length]) - Binary-safe .gz-file write */ -PHP_FUNCTION(gzwrite) -{ - pval **arg1, **arg2, **arg3=NULL; - gzFile *zp; - int ret; - int num_bytes; - - switch (ZEND_NUM_ARGS()) { - case 2: - if (zend_get_parameters_ex(2, &arg1, &arg2)==FAILURE) { - RETURN_FALSE; - } - convert_to_string_ex(arg2); - num_bytes = Z_STRLEN_PP(arg2); - break; - case 3: - if (zend_get_parameters_ex(3, &arg1, &arg2, &arg3)==FAILURE) { - RETURN_FALSE; - } - convert_to_string_ex(arg2); - convert_to_long_ex(arg3); - num_bytes = MIN(Z_LVAL_PP(arg3), Z_STRLEN_PP(arg2)); - break; - default: - WRONG_PARAM_COUNT; - /* NOTREACHED */ - break; - } - ZEND_FETCH_RESOURCE(zp, gzFile *, arg1, -1, "Zlib file", le_zp); - - /* strip slashes only if the length wasn't specified explicitly */ - if (!arg3 && PG(magic_quotes_runtime)) { - php_stripslashes(Z_STRVAL_PP(arg2), &num_bytes TSRMLS_CC); - } - - ret = gzwrite(zp, Z_STRVAL_PP(arg2),num_bytes); - RETURN_LONG(ret); -} -/* }}} */ - -/* {{{ proto int gzputs(int zp, string str [, int length]) - An alias for gzwrite */ -/* }}} */ - -/* {{{ proto int gzrewind(int zp) - Rewind the position of a .gz-file pointer */ -PHP_FUNCTION(gzrewind) -{ - pval **arg1; - gzFile *zp; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { - WRONG_PARAM_COUNT; - } - - ZEND_FETCH_RESOURCE(zp, gzFile *, arg1, -1, "Zlib file", le_zp); - - gzrewind(zp); - RETURN_TRUE; -} -/* }}} */ - -/* {{{ proto int gztell(int zp) - Get .gz-file pointer's read/write position */ -PHP_FUNCTION(gztell) -{ - pval **arg1; - long pos; - gzFile *zp; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { - WRONG_PARAM_COUNT; - } - - ZEND_FETCH_RESOURCE(zp, gzFile *, arg1, -1, "Zlib file", le_zp); - - pos = gztell(zp); - RETURN_LONG(pos); -} -/* }}} */ - -/* {{{ proto int gzseek(int zp, int offset) - Seek on a file pointer */ -PHP_FUNCTION(gzseek) -{ - pval **arg1, **arg2; - int ret; - gzFile *zp; - - if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { - WRONG_PARAM_COUNT; - } - convert_to_long_ex(arg2); - - ZEND_FETCH_RESOURCE(zp, gzFile *, arg1, -1, "Zlib file", le_zp); - - ret = gzseek(zp, Z_LVAL_PP(arg2), SEEK_SET); - RETURN_LONG(ret); -} -/* }}} */ - -/* - * Read a file and write the ouput to stdout - */ -/* {{{ proto int readgzfile(string filename [, int use_include_path]) - Output a .gz-file */ -PHP_FUNCTION(readgzfile) -{ - pval **arg1, **arg2; - char buf[8192]; - gzFile *zp; - int b, size; - int use_include_path = 0; - - - /* check args */ - switch (ZEND_NUM_ARGS()) { - case 1: - if (zend_get_parameters_ex(1,&arg1) == FAILURE) { - WRONG_PARAM_COUNT; - } - break; - case 2: - if (zend_get_parameters_ex(2,&arg1,&arg2) == FAILURE) { - WRONG_PARAM_COUNT; - } - convert_to_long_ex(arg2); - use_include_path = Z_LVAL_PP(arg2)?USE_PATH:0; - break; - default: - WRONG_PARAM_COUNT; - } - convert_to_string_ex(arg1); - - /* - * We need a better way of returning error messages from - * php_gzopen_wrapper(). - */ - zp = php_gzopen_wrapper(Z_STRVAL_PP(arg1),"r", use_include_path|ENFORCE_SAFE_MODE TSRMLS_CC); - if (!zp){ - php_error(E_WARNING,"ReadGzFile(\"%s\") - %s",Z_STRVAL_PP(arg1),strerror(errno)); - RETURN_FALSE; - } - size= 0; - while((b = gzread(zp, buf, sizeof(buf))) > 0) { - PHPWRITE(buf,b); - size += b ; - } - gzclose(zp); - RETURN_LONG(size); -} -/* }}} */ - -/* - * Read to EOF on a file descriptor and write the output to stdout. - */ -/* {{{ proto int gzpassthru(int zp) - Output all remaining data from a .gz-file pointer */ -PHP_FUNCTION(gzpassthru) -{ - pval **arg1; - gzFile *zp; - char buf[8192]; - int size, b; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &arg1) == FAILURE) { - WRONG_PARAM_COUNT; - } - - ZEND_FETCH_RESOURCE(zp, gzFile *, arg1, -1, "Zlib file", le_zp); - - size = 0; - while((b = gzread(zp, buf, sizeof(buf))) > 0) { - PHPWRITE(buf,b); - size += b ; - } -/* gzclose(zp); */ - zend_list_delete(Z_LVAL_PP(arg1)); - RETURN_LONG(size); -} -/* }}} */ - -/* {{{ proto string gzread(int zp, int length) - Binary-safe file read */ -PHP_FUNCTION(gzread) -{ - pval **arg1, **arg2; - gzFile *zp; - int len; - - if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &arg1, &arg2) == FAILURE) { - WRONG_PARAM_COUNT; - } - convert_to_long_ex(arg2); - len = Z_LVAL_PP(arg2); - - ZEND_FETCH_RESOURCE(zp, gzFile *, arg1, -1, "Zlib file", le_zp); - - Z_STRVAL_P(return_value) = emalloc(sizeof(char) * (len + 1)); - /* needed because recv doesnt put a null at the end*/ - - Z_STRLEN_P(return_value) = gzread(zp, Z_STRVAL_P(return_value), len); - Z_STRVAL_P(return_value)[Z_STRLEN_P(return_value)] = 0; - - if (PG(magic_quotes_runtime)) { - Z_STRVAL_P(return_value) = php_addslashes(Z_STRVAL_P(return_value),Z_STRLEN_P(return_value),&Z_STRLEN_P(return_value),1 TSRMLS_CC); - } - Z_TYPE_P(return_value) = IS_STRING; -} - -/* }}} */ - - -/* {{{ proto string gzcompress(string data [, int level]) - Gzip-compress a string */ -PHP_FUNCTION(gzcompress) -{ - zval **data, **zlimit = NULL; - int limit,status; - unsigned long l2; - char *s2; - - switch (ZEND_NUM_ARGS()) { - case 1: - if (zend_get_parameters_ex(1, &data) == FAILURE) - WRONG_PARAM_COUNT; - limit=-1; - break; - case 2: - if (zend_get_parameters_ex(2, &data, &zlimit) == FAILURE) - WRONG_PARAM_COUNT; - convert_to_long_ex(zlimit); - limit = Z_LVAL_PP(zlimit); - if((limit<0)||(limit>9)) { - php_error(E_WARNING,"gzcompress: compression level must be whithin 0..9"); - RETURN_FALSE; - } - break; - default: - WRONG_PARAM_COUNT; - } - convert_to_string_ex(data); - - l2 = Z_STRLEN_PP(data) + (Z_STRLEN_PP(data)/1000) + 15 + 1; /* room for \0 */ - s2 = (char *) emalloc(l2); - if(! s2) RETURN_FALSE; - - if(limit>=0) { - status = compress2(s2,&l2,Z_STRVAL_PP(data), Z_STRLEN_PP(data),limit); - } else { - status = compress(s2,&l2,Z_STRVAL_PP(data), Z_STRLEN_PP(data)); - } - - if (status==Z_OK) { - s2 = erealloc(s2,l2 + 1); - s2[l2] = '\0'; - RETURN_STRINGL(s2, l2, 0); - } else { - efree(s2); - php_error(E_WARNING,"gzcompress: %s",zError(status)); - RETURN_FALSE; - } -} -/* }}} */ - -/* {{{ proto string gzuncompress(string data, int length) - Unzip a gzip-compressed string */ -PHP_FUNCTION(gzuncompress) -{ - zval **data, **zlimit = NULL; - int status,factor=1,maxfactor=16; - unsigned long plength=0,length; - char *s1=NULL,*s2=NULL; - - switch (ZEND_NUM_ARGS()) { - case 1: - if (zend_get_parameters_ex(1, &data) == FAILURE) - WRONG_PARAM_COUNT; - length=0; - break; - case 2: - if (zend_get_parameters_ex(2, &data, &zlimit) == FAILURE) - WRONG_PARAM_COUNT; - convert_to_long_ex(zlimit); - if(Z_LVAL_PP(zlimit)<=0) { - php_error(E_WARNING,"gzuncompress: length must be greater zero"); - RETURN_FALSE; - } - plength = Z_LVAL_PP(zlimit); - break; - default: - WRONG_PARAM_COUNT; - } - convert_to_string_ex(data); - - /* - zlib::uncompress() wants to know the output data length - if none was given as a parameter - we try from input length * 2 up to input length * 2^8 - doubling it whenever it wasn't big enough - that should be eneugh for all real life cases - */ - do { - length=plength?plength:Z_STRLEN_PP(data)*(1<<factor++); - s2 = (char *) erealloc(s1,length); - if(! s2) { if(s1) efree(s1); RETURN_FALSE; } - status = uncompress(s2, &length ,Z_STRVAL_PP(data), Z_STRLEN_PP(data)); - s1=s2; - } while((status==Z_BUF_ERROR)&&(!plength)&&(factor<maxfactor)); - - if (status==Z_OK) { - s2 = erealloc(s2, length + 1); /* space for \0 */ - s2[ length ] = '\0'; - RETURN_STRINGL(s2, length, 0); - } else { - efree(s2); - php_error(E_WARNING,"gzuncompress: %s",zError(status)); - RETURN_FALSE; - } -} -/* }}} */ - -/* {{{ proto string gzdeflate(string data [, int level]) - Gzip-compress a string */ -PHP_FUNCTION(gzdeflate) -{ - zval **data, **zlimit = NULL; - int level,status; - z_stream stream; - char *s2; - - switch (ZEND_NUM_ARGS()) { - case 1: - if (zend_get_parameters_ex(1, &data) == FAILURE) - WRONG_PARAM_COUNT; - level=Z_DEFAULT_COMPRESSION; - break; - case 2: - if (zend_get_parameters_ex(2, &data, &zlimit) == FAILURE) - WRONG_PARAM_COUNT; - convert_to_long_ex(zlimit); - level = Z_LVAL_PP(zlimit); - if((level<0)||(level>9)) { - php_error(E_WARNING,"gzdeflate: compression level must be whithin 0..9"); - RETURN_FALSE; - } - break; - default: - WRONG_PARAM_COUNT; - } - convert_to_string_ex(data); - - stream.data_type = Z_ASCII; - stream.zalloc = (alloc_func) Z_NULL; - stream.zfree = (free_func) Z_NULL; - stream.opaque = (voidpf) Z_NULL; - - stream.next_in = (Bytef*) Z_STRVAL_PP(data); - stream.avail_in = Z_STRLEN_PP(data); - - stream.avail_out = stream.avail_in + (stream.avail_in/1000) + 15 + 1; /* room for \0 */ - s2 = (char *) emalloc(stream.avail_out); - if(!s2) RETURN_FALSE; - stream.next_out = s2; - - /* init with -MAX_WBITS disables the zlib internal headers */ - status = deflateInit2(&stream, level, Z_DEFLATED, -MAX_WBITS, MAX_MEM_LEVEL, 0); - if (status == Z_OK) { - - status = deflate(&stream, Z_FINISH); - if (status != Z_STREAM_END) { - deflateEnd(&stream); - if (status == Z_OK) { - status = Z_BUF_ERROR; - } - } else { - status = deflateEnd(&stream); - } - } - - if (status==Z_OK) { - s2 = erealloc(s2,stream.total_out+1); /* resize to buffer to the "right" size */ - s2[ stream.total_out ] = '\0'; - RETURN_STRINGL(s2, stream.total_out, 0); - } else { - efree(s2); - php_error(E_WARNING,"gzdeflate: %s",zError(status)); - RETURN_FALSE; - } -} -/* }}} */ - -/* {{{ proto string gzinflate(string data, int length) - Unzip a gzip-compressed string */ -PHP_FUNCTION(gzinflate) -{ - zval **data, **zlimit = NULL; - int status,factor=1,maxfactor=16; - unsigned long plength=0,length; - char *s1=NULL,*s2=NULL; - z_stream stream; - - switch (ZEND_NUM_ARGS()) { - case 1: - if (zend_get_parameters_ex(1, &data) == FAILURE) - WRONG_PARAM_COUNT; - length=0; - break; - case 2: - if (zend_get_parameters_ex(2, &data, &zlimit) == FAILURE) - WRONG_PARAM_COUNT; - convert_to_long_ex(zlimit); - if(Z_LVAL_PP(zlimit)<=0) { - php_error(E_WARNING,"gzinflate: length must be greater zero"); - RETURN_FALSE; - } - plength = Z_LVAL_PP(zlimit); - break; - default: - WRONG_PARAM_COUNT; - } - convert_to_string_ex(data); - - /* - stream.avail_out wants to know the output data length - if none was given as a parameter - we try from input length * 2 up to input length * 2^16 - doubling it whenever it wasn't big enough - that should be enaugh for all real life cases - */ - - stream.zalloc = (alloc_func) Z_NULL; - stream.zfree = (free_func) Z_NULL; - - do { - length=plength?plength:Z_STRLEN_PP(data)*(1<<factor++); - s2 = (char *) erealloc(s1,length); - if(! s2) { if(s1) efree(s1); RETURN_FALSE; } - - stream.next_in = (Bytef*) Z_STRVAL_PP(data); - stream.avail_in = (uInt) Z_STRLEN_PP(data); - - stream.next_out = s2; - stream.avail_out = (uInt) length; - - /* init with -MAX_WBITS disables the zlib internal headers */ - status = inflateInit2(&stream, -MAX_WBITS); - if (status == Z_OK) { - status = inflate(&stream, Z_FINISH); - if (status != Z_STREAM_END) { - inflateEnd(&stream); - if (status == Z_OK) { - status = Z_BUF_ERROR; - } - } else { - status = inflateEnd(&stream); - } - } - s1=s2; - - } while((status==Z_BUF_ERROR)&&(!plength)&&(factor<maxfactor)); - - if(status==Z_OK) { - s2 = erealloc(s2, stream.total_out + 1); /* room for \0 */ - s2[ stream.total_out ] = '\0'; - RETURN_STRINGL(s2, stream.total_out, 0); - } else { - efree(s2); - php_error(E_WARNING,"gzinflate: %s",zError(status)); - RETURN_FALSE; - } -} -/* }}} */ - -/* {{{ php_do_deflate - */ -static int php_do_deflate(uint str_length, Bytef **p_buffer, uint *p_buffer_len, zend_bool do_start, zend_bool do_end TSRMLS_DC) -{ - Bytef *buffer; - uInt prev_outlen, outlen; - int err; - int start_offset = (do_start?10:0); - int end_offset = (do_end?8:0); - - outlen = sizeof(char) * (str_length * 1.001 + 12) + 1; /* leave some room for a trailing \0 */ - if ((outlen+start_offset+end_offset) > *p_buffer_len) { - buffer = (Bytef *) emalloc(outlen+start_offset+end_offset); - } else { - buffer = *p_buffer; - } - - ZLIBG(stream).next_out = buffer+start_offset; - ZLIBG(stream).avail_out = outlen; - - - err = deflate(&ZLIBG(stream), Z_SYNC_FLUSH); - while (err == Z_OK && !ZLIBG(stream).avail_out) { - prev_outlen = outlen; - outlen *= 3; - if ((outlen+start_offset+end_offset) > *p_buffer_len) { - buffer = erealloc(buffer, outlen+start_offset+end_offset); - } - - ZLIBG(stream).next_out = buffer+start_offset + prev_outlen; - ZLIBG(stream).avail_out = prev_outlen * 2; - - err = deflate(&ZLIBG(stream), Z_SYNC_FLUSH); - } - - if (do_end) { - err = deflate(&ZLIBG(stream), Z_FINISH); - } - - - *p_buffer = buffer; - *p_buffer_len = outlen - ZLIBG(stream).avail_out; - - return err; -} -/* }}} */ - -/* {{{ php_deflate_string - */ -int php_deflate_string(const char *str, uint str_length, char **newstr, uint *new_length, int coding, zend_bool do_start, zend_bool do_end TSRMLS_DC) -{ - int err; - - ZLIBG(compression_coding) = coding; - - if (do_start) { - ZLIBG(stream).zalloc = Z_NULL; - ZLIBG(stream).zfree = Z_NULL; - ZLIBG(stream).opaque = Z_NULL; - switch (coding) { - case CODING_GZIP: - /* windowBits is passed < 0 to suppress zlib header & trailer */ - if (deflateInit2(&ZLIBG(stream), Z_DEFAULT_COMPRESSION, Z_DEFLATED, - -MAX_WBITS, MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY) - != Z_OK) { - /* TODO: print out error */ - return FAILURE; - } - - ZLIBG(crc) = crc32(0L, Z_NULL, 0); - break; - case CODING_DEFLATE: - if (deflateInit(&ZLIBG(stream), Z_DEFAULT_COMPRESSION) != Z_OK) { - /* TODO: print out error */ - return FAILURE; - } - break; - } - } - - - ZLIBG(stream).next_in = (Bytef*) str; - ZLIBG(stream).avail_in = (uInt) str_length; - - if (ZLIBG(compression_coding) == 1) { - ZLIBG(crc) = crc32(ZLIBG(crc), (const Bytef *) str, str_length); - } - - err = php_do_deflate(str_length, (Bytef **) newstr, new_length, do_start, do_end TSRMLS_CC); - /* TODO: error handling (err may be Z_STREAM_ERROR, Z_BUF_ERROR, ?) */ - - if (do_start) { - /* Write a very simple .gz header: */ - (*newstr)[0] = gz_magic[0]; - (*newstr)[1] = gz_magic[1]; - (*newstr)[2] = Z_DEFLATED; - (*newstr)[3] = (*newstr)[4] = (*newstr)[5] = (*newstr)[6] = (*newstr)[7] = (*newstr)[8] = 0; - (*newstr)[9] = OS_CODE; - *new_length += 10; - } - if (do_end) { - if (ZLIBG(compression_coding) == 1) { - char *trailer = (*newstr)+(*new_length); - - /* write crc & stream.total_in in LSB order */ - trailer[0] = (char) ZLIBG(crc) & 0xFF; - trailer[1] = (char) (ZLIBG(crc) >> 8) & 0xFF; - trailer[2] = (char) (ZLIBG(crc) >> 16) & 0xFF; - trailer[3] = (char) (ZLIBG(crc) >> 24) & 0xFF; - trailer[4] = (char) ZLIBG(stream).total_in & 0xFF; - trailer[5] = (char) (ZLIBG(stream).total_in >> 8) & 0xFF; - trailer[6] = (char) (ZLIBG(stream).total_in >> 16) & 0xFF; - trailer[7] = (char) (ZLIBG(stream).total_in >> 24) & 0xFF; - trailer[8] = '\0'; - *new_length += 8; - } - deflateEnd(&ZLIBG(stream)); - } - - return SUCCESS; -} -/* }}} */ - -/* {{{ proto string gzencode(string data [, int encoding_mode]) - GZ encode a string */ -PHP_FUNCTION(gzencode) -{ - zval **zv_coding, **zv_string; - int coding; - - switch(ZEND_NUM_ARGS()) { - case 1: - if (zend_get_parameters_ex(1, &zv_string)==FAILURE) { - RETURN_FALSE; - } - convert_to_string_ex(zv_string); - coding = 1; - break; - case 2: - if (zend_get_parameters_ex(2, &zv_string, &zv_coding)==FAILURE) { - RETURN_FALSE; - } - convert_to_string_ex(zv_string); - convert_to_long_ex(zv_coding); - coding = Z_LVAL_PP(zv_coding); - break; - default: - ZEND_WRONG_PARAM_COUNT(); - break; - } - if (php_deflate_string(Z_STRVAL_PP(zv_string), Z_STRLEN_PP(zv_string), &Z_STRVAL_P(return_value), &Z_STRLEN_P(return_value), coding, 1, 1 TSRMLS_CC)==SUCCESS) { - Z_TYPE_P(return_value) = IS_STRING; - } else { - RETURN_FALSE; - } -} -/* }}} */ - -/* {{{ proto string ob_gzhandler(string str, int mode) - Encode str based on accept-encoding setting - designed to be called from ob_start() */ -PHP_FUNCTION(ob_gzhandler) -{ - int coding; - zval **zv_string, **zv_mode; - zval **data, **a_encoding; - zend_bool return_original=0; - zend_bool do_start, do_end; - - if (ZEND_NUM_ARGS()!=2 || zend_get_parameters_ex(2, &zv_string, &zv_mode)==FAILURE) { - ZEND_WRONG_PARAM_COUNT(); - } - - if (ZLIBG(ob_gzhandler_status)==-1 - || zend_hash_find(&EG(symbol_table), "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS"), (void **) &data)==FAILURE - || Z_TYPE_PP(data)!=IS_ARRAY - || zend_hash_find(Z_ARRVAL_PP(data), "HTTP_ACCEPT_ENCODING", sizeof("HTTP_ACCEPT_ENCODING"), (void **) &a_encoding)==FAILURE) { - /* return the original string */ - *return_value = **zv_string; - zval_copy_ctor(return_value); - ZLIBG(ob_gzhandler_status)=-1; - return; - } - convert_to_string_ex(a_encoding); - if (php_memnstr(Z_STRVAL_PP(a_encoding), "gzip", 4, Z_STRVAL_PP(a_encoding) + Z_STRLEN_PP(a_encoding))) { - coding = CODING_GZIP; - } else if(php_memnstr(Z_STRVAL_PP(a_encoding), "deflate", 7, Z_STRVAL_PP(a_encoding) + Z_STRLEN_PP(a_encoding))) { - coding = CODING_DEFLATE; - } else { - RETURN_FALSE; - } - - convert_to_long_ex(zv_mode); - do_start = ((Z_LVAL_PP(zv_mode) & PHP_OUTPUT_HANDLER_START) ? 1 : 0); - do_end = ((Z_LVAL_PP(zv_mode) & PHP_OUTPUT_HANDLER_END) ? 1 : 0); - Z_STRVAL_P(return_value) = NULL; - Z_STRLEN_P(return_value) = 0; - if (php_deflate_string(Z_STRVAL_PP(zv_string), Z_STRLEN_PP(zv_string), &Z_STRVAL_P(return_value), &Z_STRLEN_P(return_value), coding, do_start, do_end TSRMLS_CC)==SUCCESS) { - Z_TYPE_P(return_value) = IS_STRING; - if (do_start) { - switch (coding) { - case CODING_GZIP: - if (sapi_add_header("Content-Encoding: gzip", sizeof("Content-Encoding: gzip") - 1, 1)==FAILURE) { - return_original = 1; - } - if (sapi_add_header("Vary: Accept-Encoding", sizeof("Vary: Accept-Encoding") - 1, 1)==FAILURE) { - return_original = 1; - } - break; - case CODING_DEFLATE: - if (sapi_add_header("Content-Encoding: deflate", sizeof("Content-Encoding: deflate") - 1, 1)==FAILURE) { - return_original = 1; - } - if (sapi_add_header("Vary: Accept-Encoding", sizeof("Vary: Accept-Encoding") - 1, 1)==FAILURE) { - return_original = 1; - } - break; - default: - return_original = 1; - break; - } - } - - if (return_original) { - zval_dtor(return_value); - } else if (do_start && do_end) { - char lenbuf[64]; - - sprintf(lenbuf,"Content-Length: %d",Z_STRLEN_P(return_value)); - sapi_add_header(lenbuf,strlen(lenbuf), 1); - } - } else { - return_original = 1; - } - - if (return_original) { - /* return the original string */ - *return_value = **zv_string; - zval_copy_ctor(return_value); - } -} -/* }}} */ - -/* {{{ php_gzip_output_handler - */ -static void php_gzip_output_handler(char *output, uint output_len, char **handled_output, uint *handled_output_len, int mode TSRMLS_DC) -{ - zend_bool do_start, do_end; - - do_start = (mode & PHP_OUTPUT_HANDLER_START ? 1 : 0); - do_end = (mode & PHP_OUTPUT_HANDLER_END ? 1 : 0); - if (php_deflate_string(output, output_len, handled_output, handled_output_len, ZLIBG(ob_gzip_coding), do_start, do_end TSRMLS_CC)!=SUCCESS) { - zend_error(E_ERROR, "Compression failed"); - } -} -/* }}} */ - -/* {{{ php_enable_output_compression - */ -int php_enable_output_compression(int buffer_size TSRMLS_DC) -{ - zval **a_encoding, **data; - - if (zend_hash_find(&EG(symbol_table), "HTTP_SERVER_VARS", sizeof("HTTP_SERVER_VARS"), (void **) &data)==FAILURE - || Z_TYPE_PP(data)!=IS_ARRAY - || zend_hash_find(Z_ARRVAL_PP(data), "HTTP_ACCEPT_ENCODING", sizeof("HTTP_ACCEPT_ENCODING"), (void **) &a_encoding)==FAILURE) { - return FAILURE; - } - convert_to_string_ex(a_encoding); - if (php_memnstr(Z_STRVAL_PP(a_encoding), "gzip", 4, Z_STRVAL_PP(a_encoding) + Z_STRLEN_PP(a_encoding))) { - if (sapi_add_header("Content-Encoding: gzip", sizeof("Content-Encoding: gzip") - 1, 1)==FAILURE) { - return FAILURE; - } - ZLIBG(ob_gzip_coding) = CODING_GZIP; - } else if(php_memnstr(Z_STRVAL_PP(a_encoding), "deflate", 7, Z_STRVAL_PP(a_encoding) + Z_STRLEN_PP(a_encoding))) { - if (sapi_add_header("Content-Encoding: deflate", sizeof("Content-Encoding: deflate") - 1, 1)==FAILURE) { - return FAILURE; - } - ZLIBG(ob_gzip_coding) = CODING_DEFLATE; - } else { - return FAILURE; - } - - php_start_ob_buffer(NULL, buffer_size TSRMLS_CC); - php_ob_set_internal_handler(php_gzip_output_handler, buffer_size*1.5 TSRMLS_CC); - return SUCCESS; -} -/* }}} */ - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - * vim600: sw=4 ts=4 fdm=marker - * vim<600: sw=4 ts=4 - */ |